11012102020121 has 4 divisors (see below), whose sum is σ = 11013088867200. Its totient is φ = 11011115173044.

The previous prime is 11012102020111. The next prime is 11012102020141. The reversal of 11012102020121 is 12102020121011.

11012102020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11012102020121 - 2¹⁰ = 11012102019097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012102020096 and 11012102020105.

It is not an unprimeable number, because it can be changed into a prime (11012102020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493406801 + ... + 493429118.

It is an arithmetic number, because the mean of its divisors is an integer number (2753272216800).

Almost surely, 2^{11012102020121} is an apocalyptic number.

It is an amenable number.

11012102020121 is a deficient number, since it is larger than the sum of its proper divisors (986847079).

11012102020121 is an equidigital number, since it uses as much as digits as its factorization.

11012102020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986847078.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11012102020121 its reverse (12102020121011), we get a palindrome (23114122141132).

The spelling of 11012102020121 in words is "eleven trillion, twelve billion, one hundred two million, twenty thousand, one hundred twenty-one".